spf13--viper/internal/encoding/toml/codec2_test.go
Mark Sagi-Kazar b13f0963f6 feat(encoding): experimental toml v2 support
Signed-off-by: Mark Sagi-Kazar <mark.sagikazar@gmail.com>
2022-01-01 18:45:36 +01:00

109 lines
1.7 KiB
Go

//go:build viper_toml2
// +build viper_toml2
package toml
import (
"reflect"
"testing"
)
// original form of the data
const original = `# key-value pair
key = "value"
list = ["item1", "item2", "item3"]
[map]
key = "value"
# nested
# map
[nested_map]
[nested_map.map]
key = "value"
list = [
"item1",
"item2",
"item3",
]
`
// encoded form of the data
const encoded = `key = 'value'
list = ['item1', 'item2', 'item3']
[map]
key = 'value'
[nested_map]
[nested_map.map]
key = 'value'
list = ['item1', 'item2', 'item3']
`
// Viper's internal representation
var data = map[string]interface{}{
"key": "value",
"list": []interface{}{
"item1",
"item2",
"item3",
},
"map": map[string]interface{}{
"key": "value",
},
"nested_map": map[string]interface{}{
"map": map[string]interface{}{
"key": "value",
"list": []interface{}{
"item1",
"item2",
"item3",
},
},
},
}
func TestCodec_Encode(t *testing.T) {
codec := Codec{}
b, err := codec.Encode(data)
if err != nil {
t.Fatal(err)
}
if encoded != string(b) {
t.Fatalf("decoded value does not match the expected one\nactual: %#v\nexpected: %#v", string(b), encoded)
}
}
func TestCodec_Decode(t *testing.T) {
t.Run("OK", func(t *testing.T) {
codec := Codec{}
v := map[string]interface{}{}
err := codec.Decode([]byte(original), v)
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(data, v) {
t.Fatalf("decoded value does not match the expected one\nactual: %#v\nexpected: %#v", v, data)
}
})
t.Run("InvalidData", func(t *testing.T) {
codec := Codec{}
v := map[string]interface{}{}
err := codec.Decode([]byte(`invalid data`), v)
if err == nil {
t.Fatal("expected decoding to fail")
}
t.Logf("decoding failed as expected: %s", err)
})
}